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Patents Grants
last 30 patents
Information
Patent Grant
Electroconductive member, process cartridge, and image forming appa...
Patent number
11,640,122
Issue date
May 2, 2023
Canon Kabushiki Kaisha
Yuichi Kikuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for producing an electrophotographic electroconductive member
Patent number
11,397,388
Issue date
Jul 26, 2022
Canon Kabushiki Kaisha
Satoru Nishioka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electroconductive member, process cartridge, and image forming appa...
Patent number
11,385,559
Issue date
Jul 12, 2022
Canon Kabushiki Kaisha
Yuichi Kikuchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Electro-conductive member, method for producing same, process cartr...
Patent number
11,307,509
Issue date
Apr 19, 2022
Canon Kabushiki Kaisha
Tetsuo Hino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electroconductive member, process cartridge, and electrophotographi...
Patent number
11,175,602
Issue date
Nov 16, 2021
Canon Kabushiki Kaisha
Satoru Nishioka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing member, process cartridge and electrophotographic apparatus
Patent number
11,112,748
Issue date
Sep 7, 2021
Canon Kabushiki Kaisha
Masaki Yamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Charging member, manufacturing method of charging member, electroph...
Patent number
10,558,136
Issue date
Feb 11, 2020
Canon Kabushiki Kaisha
Takumi Furukawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Charging member, method for producing same, process cartridge and e...
Patent number
10,317,811
Issue date
Jun 11, 2019
Canon Kabushiki Kaisha
Yuya Tomomizu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Charging member, electrophotographic process cartridge, and electro...
Patent number
10,146,149
Issue date
Dec 4, 2018
Canon Kabushiki Kaisha
Hiroaki Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Charging member with concave portions containing insulating particl...
Patent number
9,910,379
Issue date
Mar 6, 2018
Canon Kabushiki Kaisha
Takumi Furukawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Charging member having outer surface with concave portions bearing...
Patent number
9,904,199
Issue date
Feb 27, 2018
Canon Kabushiki Kaisha
Kenya Terada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Charging member, process cartridge and electrophotographic apparatus
Patent number
9,360,833
Issue date
Jun 7, 2016
Canon Kabushiki Kaisha
Kenya Terada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Charging member, process for its production, and electrophotographi...
Patent number
8,991,053
Issue date
Mar 31, 2015
Canon Kabushiki Kaisha
Hiroaki Watanabe
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Charging roller and process for its production
Patent number
8,781,369
Issue date
Jul 15, 2014
Canon Kabushiki Kaisha
Takumi Furukawa
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Electrophotographic member, method for producing the same, process...
Patent number
8,685,601
Issue date
Apr 1, 2014
Canon Kabushiki Kaisha
Keiji Nose
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Conductive member, electrophotographic apparatus, and process cartr...
Patent number
8,622,881
Issue date
Jan 7, 2014
Canon Kabushiki Kaisha
Masaaki Harada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
CLEANING MEMBER AND ELASTIC MEMBER
Publication number
20240111241
Publication date
Apr 4, 2024
Canon Kabushiki Kaisha
MASANORI YOKOYAMA
B60 - VEHICLES IN GENERAL
Information
Patent Application
ELECTROPHOTOGRAPHY CLEANING BLADE, PROCESS CARTRIDGE, AND ELECTROPH...
Publication number
20230259062
Publication date
Aug 17, 2023
Canon Kabushiki Kaisha
HIDEKAZU MATSUDA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROCONDUCTIVE MEMBER, PROCESS CARTRIDGE, AND IMAGE FORMING APPA...
Publication number
20220308495
Publication date
Sep 29, 2022
Canon Kabushiki Kaisha
Yuichi Kikuchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
ELECTROCONDUCTIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHI...
Publication number
20220026825
Publication date
Jan 27, 2022
Canon Kabushiki Kaisha
Satoru Nishioka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTRO-CONDUCTIVE MEMBER, METHOD FOR PRODUCING SAME, PROCESS CARTR...
Publication number
20210048759
Publication date
Feb 18, 2021
Canon Kabushiki Kaisha
Tetsuo Hino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROCONDUCTIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHI...
Publication number
20210041796
Publication date
Feb 11, 2021
Canon Kabushiki Kaisha
Satoru Nishioka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROCONDUCTIVE MEMBER, PROCESS CARTRIDGE, AND IMAGE FORMING APPA...
Publication number
20210033996
Publication date
Feb 4, 2021
Canon Kabushiki Kaisha
Yuichi Kikuchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
DEVELOPING MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS
Publication number
20210026295
Publication date
Jan 28, 2021
Canon Kabushiki Kaisha
Masaki Yamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CHARGING MEMBER, MANUFACTURING METHOD OF CHARGING MEMBER, ELECTROP...
Publication number
20190324379
Publication date
Oct 24, 2019
Canon Kabushiki Kaisha
Takumi Furukawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CHARGING MEMBER, ELECTROPHOTOGRAPHIC PROCESS CARTRIDGE, AND ELECTRO...
Publication number
20180314180
Publication date
Nov 1, 2018
Canon Kabushiki Kaisha
Hiroaki Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CHARGING MEMBER, METHOD FOR PRODUCING SAME, PROCESS CARTRIDGE AND E...
Publication number
20180101107
Publication date
Apr 12, 2018
Canon Kabushiki Kaisha
Yuya Tomomizu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CHARGING MEMBER AND ELECTROPHOTOGRAPHIC APPARATUS
Publication number
20170115590
Publication date
Apr 27, 2017
Canon Kabushiki Kaisha
Takumi Furukawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CHARGING MEMBER AND ELECTROPHOTOGRAPHIC APPARATUS
Publication number
20170115591
Publication date
Apr 27, 2017
Canon Kabushiki Kaisha
Kenya Terada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC MEMBER, METHOD FOR PRODUCING THE SAME, PROCESS...
Publication number
20140023960
Publication date
Jan 23, 2014
Keiji Nose
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
CHARGING MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS
Publication number
20130310239
Publication date
Nov 21, 2013
Canon Kabushiki Kaisha
Kenya Terada
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
CHARGING ROLLER AND PROCESS FOR ITS PRODUCTION
Publication number
20130302064
Publication date
Nov 14, 2013
Takumi Furukawa
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
CHARGING MEMBER, PROCESS FOR ITS PRODUCTION, AND ELECTROPHOTOGRAPHI...
Publication number
20130272747
Publication date
Oct 17, 2013
Hiroaki Watanabe
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...